# Golf Weather Index > A free 0-to-100 golf playability score for any US course or ZIP code. Combines temperature, wind, precipitation, humidity/dew point, cloud cover, UV index, and air quality into a single hourly forecast so golfers can pick the best window to tee off in the next 7 days. The site is a client-side web app at https://golfweatherindex.app/ (also served at https://gwi.pplx.app). Enter a US course name or ZIP code to get a 7-day hourly score, best tee-off windows during daylight hours, and a "How this will play" tip explaining the dominant weather factor. ## Core Content - [Golf Weather Index home](https://golfweatherindex.app/): Enter a course or ZIP code, see the 7-day GWI forecast, best tee-off windows, and dominant-factor playability tips. - [How GWI is calculated](https://golfweatherindex.app/#how-it-works): The scoring rubric — temperature 30 pts, wind 25 pts, precipitation 20 pts, cloud/UV 10 pts, dew point 10 pts, air quality 5 pts. - [Golf Weather FAQ (Markdown)](https://golfweatherindex.app/faq.md): 7 detailed answers on how weather affects a golf round — temperature, wind, sun vs shade, dew point, forecast accuracy. - [Golf Weather FAQ (HTML with FAQPage schema)](https://golfweatherindex.app/#faq): Same 7 answers as an accordion with JSON-LD FAQPage markup. ## Full Content - [Complete site content (Markdown)](https://golfweatherindex.app/llms-full.txt): Hero copy, scoring rubric, score-tier definitions, and all FAQ answers in a single markdown file. ## Optional - [XML sitemap](https://golfweatherindex.app/sitemap.xml): Canonical URL and last-modified date. - [Robots policy](https://golfweatherindex.app/robots.txt): PerplexityBot, GPTBot, ClaudeBot, and Google-Extended are explicitly allowed.